Title is a little misdirected. It implies interruption of services was due to shutting down the datacentre to save it from a worse outage after cooling system

Title is a little misdirected. It implies interruption of services was due to shutting down the datacentre to save it from a worse outage after cooling system failures. In fact Google also made a mess of trying to provide redundancy...while only part of europe-west2-a zone was down, Google told itself to ignore working resources. "At the start of the incident, we inadvertently modified traffic routing for internal services to avoid all three zones in the europe-west2 region, rather than just the impacted europe-west2-a zone."